The IANA WHOIS Service is provided using the WHOIS protocol on port 43. This web gateway will query this server and return the results. Accepted query arguments are domain names, IP addresses and AS numbers.


% IANA WHOIS server
% for more information on IANA, visit http://www.iana.org
% This query returned 1 object

domain:       9.in-addr.arpa

organisation: Administered by ARIN

nserver:      ARIN.AUTHDNS.RIPE.NET.
nserver:      R.ARIN.NET.
nserver:      U.ARIN.NET.
nserver:      X.ARIN.NET.
nserver:      Y.ARIN.NET.
nserver:      Z.ARIN.NET.
ds-rdata:     12106 5 1 9d76889572e7d58e0659b75d7a7755abfb3c357b
ds-rdata:     12106 5 2 9529929a83567c808efc0f268497c7c92f03f63e0365220f5da4bfec876ece49

whois:        whois.arin.net

changed:      1992-08
changed:      2017-09-15
source:       IANA